xref: /aoo41x/main/solenv/bin/unxmap-to-macosx-explist.awk (revision e76eebc6)

#**************************************************************
#
#  Licensed to the Apache Software Foundation (ASF) under one
#  or more contributor license agreements.  See the NOTICE file
#  distributed with this work for additional information
#  regarding copyright ownership.  The ASF licenses this file
#  to you under the Apache License, Version 2.0 (the
#  "License"); you may not use this file except in compliance
#  with the License.  You may obtain a copy of the License at
#
#    http://www.apache.org/licenses/LICENSE-2.0
#
#  Unless required by applicable law or agreed to in writing,
#  software distributed under the License is distributed on an
#  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
#  KIND, either express or implied.  See the License for the
#  specific language governing permissions and limitations
#  under the License.
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#**************************************************************

# Generate an exported symbols list out of a map file (as use on Linux/Solaris) in order to
# build shared libraries on Mac OS X
#
# The below code fails may fail with 'perverted' mapfiles (using a strange line layout etc.)

# Skip 'SECTION_NAME {' lines
/^[\t ]*.*[\t ]*\{/ { next }

# Skip 'global:' or 'local:' lines
/global:/ || /local:/ { next }

# Skip '*;' lines
/^[\t ]*\*;[\t ]*/ { next }

# Skip section end '}?;' lines
/^[\t ]*\}[\t ]*.*[;]*/ { next }

# Skip comment or empty lines
/^[\t ]*#.*/ || /^[\t ]*$/ || /^$/ { next }

# Echo all lines containing symbol names and prefix them with '_'
# because symbols on Mac OS X start always with '__'
{
    # There may appear multiple symbols in one line
    # e.g. "sym1; sym2; # and finally a comment"
    # take this into account
    for (i = 1; i <= NF ; i++) {
	if ($i !~ /^[\t ]*#.*/) { # as long as the current field doesn't start with '#'
	    gsub(/[\t ;]/, "", $i) # Remove leading spaces and trailing ';'
	    printf("_%s\n",$i)
	}
	else { # ignore everything after a '#' (comment) sign
	    break
	}
    }
}